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-rw-r--r--vcl/unx/gtk3/customcellrenderer.cxx308
1 files changed, 308 insertions, 0 deletions
diff --git a/vcl/unx/gtk3/customcellrenderer.cxx b/vcl/unx/gtk3/customcellrenderer.cxx
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index 000000000..ac786541f
--- /dev/null
+++ b/vcl/unx/gtk3/customcellrenderer.cxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <vcl/svapp.hxx>
+#include "customcellrenderer.hxx"
+#if !GTK_CHECK_VERSION(4, 0, 0)
+#include <gtk/gtk-a11y.h>
+#endif
+
+namespace
+{
+struct _CustomCellRendererClass : public GtkCellRendererTextClass
+{
+};
+
+enum
+{
+ PROP_ID = 10000,
+ PROP_INSTANCE_TREE_VIEW = 10001
+};
+}
+
+G_DEFINE_TYPE(CustomCellRenderer, custom_cell_renderer, GTK_TYPE_CELL_RENDERER_TEXT)
+
+static void custom_cell_renderer_init(CustomCellRenderer* self)
+{
+ {
+ SolarMutexGuard aGuard;
+ new (&self->device) VclPtr<VirtualDevice>;
+ }
+
+ // prevent loplugin:unreffun firing on macro generated function
+ (void)custom_cell_renderer_get_instance_private(self);
+}
+
+static void custom_cell_renderer_get_property(GObject* object, guint param_id, GValue* value,
+ GParamSpec* pspec)
+{
+ CustomCellRenderer* cellsurface = CUSTOM_CELL_RENDERER(object);
+
+ switch (param_id)
+ {
+ case PROP_ID:
+ g_value_set_string(value, cellsurface->id);
+ break;
+ case PROP_INSTANCE_TREE_VIEW:
+ g_value_set_pointer(value, cellsurface->instance);
+ break;
+ default:
+ G_OBJECT_CLASS(custom_cell_renderer_parent_class)
+ ->get_property(object, param_id, value, pspec);
+ break;
+ }
+}
+
+static void custom_cell_renderer_set_property(GObject* object, guint param_id, const GValue* value,
+ GParamSpec* pspec)
+{
+ CustomCellRenderer* cellsurface = CUSTOM_CELL_RENDERER(object);
+
+ switch (param_id)
+ {
+ case PROP_ID:
+ g_free(cellsurface->id);
+ cellsurface->id = g_value_dup_string(value);
+ break;
+ case PROP_INSTANCE_TREE_VIEW:
+ cellsurface->instance = g_value_get_pointer(value);
+ break;
+ default:
+ G_OBJECT_CLASS(custom_cell_renderer_parent_class)
+ ->set_property(object, param_id, value, pspec);
+ break;
+ }
+}
+
+static bool custom_cell_renderer_get_preferred_size(GtkCellRenderer* cell,
+ GtkOrientation orientation, gint* minimum_size,
+ gint* natural_size);
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+static void custom_cell_renderer_snapshot(GtkCellRenderer* cell, GtkSnapshot* snapshot,
+ GtkWidget* widget, const GdkRectangle* background_area,
+ const GdkRectangle* cell_area,
+ GtkCellRendererState flags);
+#endif
+
+static void custom_cell_renderer_render(GtkCellRenderer* cell, cairo_t* cr, GtkWidget* widget,
+ const GdkRectangle* background_area,
+ const GdkRectangle* cell_area, GtkCellRendererState flags);
+
+static void custom_cell_renderer_finalize(GObject* object)
+{
+ CustomCellRenderer* cellsurface = CUSTOM_CELL_RENDERER(object);
+
+ g_free(cellsurface->id);
+
+ {
+ SolarMutexGuard aGuard;
+ cellsurface->device.disposeAndClear();
+ cellsurface->device.~VclPtr<VirtualDevice>();
+ }
+
+ G_OBJECT_CLASS(custom_cell_renderer_parent_class)->finalize(object);
+}
+
+static void custom_cell_renderer_get_preferred_width(GtkCellRenderer* cell, GtkWidget* widget,
+ gint* minimum_size, gint* natural_size)
+{
+ if (!custom_cell_renderer_get_preferred_size(cell, GTK_ORIENTATION_HORIZONTAL, minimum_size,
+ natural_size))
+ {
+ // fallback to parent if we're empty
+ GTK_CELL_RENDERER_CLASS(custom_cell_renderer_parent_class)
+ ->get_preferred_width(cell, widget, minimum_size, natural_size);
+ }
+}
+
+static void custom_cell_renderer_get_preferred_height(GtkCellRenderer* cell, GtkWidget* widget,
+ gint* minimum_size, gint* natural_size)
+{
+ if (!custom_cell_renderer_get_preferred_size(cell, GTK_ORIENTATION_VERTICAL, minimum_size,
+ natural_size))
+ {
+ // fallback to parent if we're empty
+ GTK_CELL_RENDERER_CLASS(custom_cell_renderer_parent_class)
+ ->get_preferred_height(cell, widget, minimum_size, natural_size);
+ }
+}
+
+static void custom_cell_renderer_get_preferred_height_for_width(GtkCellRenderer* cell,
+ GtkWidget* widget, gint /*width*/,
+ gint* minimum_height,
+ gint* natural_height)
+{
+ gtk_cell_renderer_get_preferred_height(cell, widget, minimum_height, natural_height);
+}
+
+static void custom_cell_renderer_get_preferred_width_for_height(GtkCellRenderer* cell,
+ GtkWidget* widget, gint /*height*/,
+ gint* minimum_width,
+ gint* natural_width)
+{
+ gtk_cell_renderer_get_preferred_width(cell, widget, minimum_width, natural_width);
+}
+
+void custom_cell_renderer_class_init(CustomCellRendererClass* klass)
+{
+ GtkCellRendererClass* cell_class = GTK_CELL_RENDERER_CLASS(klass);
+ GObjectClass* object_class = G_OBJECT_CLASS(klass);
+
+ /* Hook up functions to set and get our custom cell renderer properties */
+ object_class->get_property = custom_cell_renderer_get_property;
+ object_class->set_property = custom_cell_renderer_set_property;
+
+ custom_cell_renderer_parent_class = g_type_class_peek_parent(klass);
+ object_class->finalize = custom_cell_renderer_finalize;
+
+ cell_class->get_preferred_width = custom_cell_renderer_get_preferred_width;
+ cell_class->get_preferred_height = custom_cell_renderer_get_preferred_height;
+ cell_class->get_preferred_width_for_height
+ = custom_cell_renderer_get_preferred_width_for_height;
+ cell_class->get_preferred_height_for_width
+ = custom_cell_renderer_get_preferred_height_for_width;
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+ cell_class->snapshot = custom_cell_renderer_snapshot;
+#else
+ cell_class->render = custom_cell_renderer_render;
+#endif
+
+ g_object_class_install_property(
+ object_class, PROP_ID,
+ g_param_spec_string("id", "ID", "The ID of the custom data", nullptr, G_PARAM_READWRITE));
+
+ g_object_class_install_property(
+ object_class, PROP_INSTANCE_TREE_VIEW,
+ g_param_spec_pointer("instance", "Instance", "The GtkInstanceTreeView", G_PARAM_READWRITE));
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+ gtk_cell_renderer_class_set_accessible_type(cell_class, GTK_TYPE_TEXT_CELL_ACCESSIBLE);
+#endif
+}
+
+GtkCellRenderer* custom_cell_renderer_new()
+{
+ return GTK_CELL_RENDERER(g_object_new(CUSTOM_TYPE_CELL_RENDERER, nullptr));
+}
+
+bool custom_cell_renderer_get_preferred_size(GtkCellRenderer* cell, GtkOrientation orientation,
+ gint* minimum_size, gint* natural_size)
+{
+ GValue value = G_VALUE_INIT;
+ g_value_init(&value, G_TYPE_STRING);
+ g_object_get_property(G_OBJECT(cell), "id", &value);
+
+ const char* pStr = g_value_get_string(&value);
+
+ OUString sId(pStr, pStr ? strlen(pStr) : 0, RTL_TEXTENCODING_UTF8);
+
+ value = G_VALUE_INIT;
+ g_value_init(&value, G_TYPE_POINTER);
+ g_object_get_property(G_OBJECT(cell), "instance", &value);
+
+ CustomCellRenderer* cellsurface = CUSTOM_CELL_RENDERER(cell);
+
+ Size aSize;
+
+ gpointer pWidget = g_value_get_pointer(&value);
+ if (pWidget)
+ {
+ custom_cell_renderer_ensure_device(cellsurface, pWidget);
+ aSize = custom_cell_renderer_get_size(*cellsurface->device, sId, pWidget);
+ }
+
+ if (orientation == GTK_ORIENTATION_HORIZONTAL)
+ {
+ if (minimum_size)
+ *minimum_size = aSize.Width();
+
+ if (natural_size)
+ *natural_size = aSize.Width();
+ }
+ else
+ {
+ if (minimum_size)
+ *minimum_size = aSize.Height();
+
+ if (natural_size)
+ *natural_size = aSize.Height();
+ }
+
+ return true;
+}
+
+void custom_cell_renderer_render(GtkCellRenderer* cell, cairo_t* cr, GtkWidget* /*widget*/,
+ const GdkRectangle* /*background_area*/,
+ const GdkRectangle* cell_area, GtkCellRendererState flags)
+{
+ GValue value = G_VALUE_INIT;
+ g_value_init(&value, G_TYPE_STRING);
+ g_object_get_property(G_OBJECT(cell), "id", &value);
+
+ const char* pStr = g_value_get_string(&value);
+ OUString sId(pStr, pStr ? strlen(pStr) : 0, RTL_TEXTENCODING_UTF8);
+
+ value = G_VALUE_INIT;
+ g_value_init(&value, G_TYPE_POINTER);
+ g_object_get_property(G_OBJECT(cell), "instance", &value);
+
+ CustomCellRenderer* cellsurface = CUSTOM_CELL_RENDERER(cell);
+
+ gpointer pWidget = g_value_get_pointer(&value);
+ if (!pWidget)
+ return;
+
+ SolarMutexGuard aGuard;
+
+ custom_cell_renderer_ensure_device(cellsurface, pWidget);
+
+ Size aSize(cell_area->width, cell_area->height);
+ // false to not bother setting the bg on resize as we'll do that
+ // ourself via cairo
+ cellsurface->device->SetOutputSizePixel(aSize, false);
+
+ cairo_surface_t* pSurface = get_underlying_cairo_surface(*cellsurface->device);
+
+ // fill surface as transparent so it can be blended with the potentially
+ // selected background
+ cairo_t* tempcr = cairo_create(pSurface);
+ cairo_set_source_rgba(tempcr, 0, 0, 0, 0);
+ cairo_set_operator(tempcr, CAIRO_OPERATOR_SOURCE);
+ cairo_paint(tempcr);
+ cairo_destroy(tempcr);
+ cairo_surface_flush(pSurface);
+
+ custom_cell_renderer_render(*cellsurface->device, tools::Rectangle(Point(0, 0), aSize),
+ static_cast<bool>(flags & GTK_CELL_RENDERER_SELECTED), sId,
+ pWidget);
+
+ cairo_surface_mark_dirty(pSurface);
+
+ cairo_set_source_surface(cr, pSurface, cell_area->x, cell_area->y);
+ cairo_paint(cr);
+}
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+static void custom_cell_renderer_snapshot(GtkCellRenderer* cell, GtkSnapshot* snapshot,
+ GtkWidget* widget, const GdkRectangle* background_area,
+ const GdkRectangle* cell_area, GtkCellRendererState flags)
+{
+ graphene_rect_t rect = GRAPHENE_RECT_INIT(
+ static_cast<float>(cell_area->x), static_cast<float>(cell_area->y),
+ static_cast<float>(cell_area->width), static_cast<float>(cell_area->height));
+ cairo_t* cr = gtk_snapshot_append_cairo(GTK_SNAPSHOT(snapshot), &rect);
+ custom_cell_renderer_render(cell, cr, widget, background_area, cell_area, flags);
+ cairo_destroy(cr);
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */